IBRAHIM, J. S., MUHAMMAD, S., ATIKU, I., ABDULLAHI, S.M., ILYAS, M., ISYAKA, M. S., and SANI, Y.M. “ISOLATION OF β-SITOSTEROL AND LUPENONE FROM THE METHANOL ROOT EXTRACT OF Cassia Sieberiana DC (Fabaceae)”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041), vol. 4, no. 02, Dec. 2020, pp. 102-7, http://journals.gjbeacademia.com/index.php/bimajst/article/view/212.